Seaforth, ON

Ontario

Seaforth is a small town in Ontario with a population of 2,680.

Population source: Wikidata (dated census and official estimates), GeoNames. Climate: WorldClim 2.1 normals (1970-2000), NASA POWER. Updated August 2026

2,680 Population 10/sq mi density
45°F Avg Temperature

Discover Seaforth, ON

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Full City Profile

How Seaforth Compares to the U.S. Average (100% = U.S. avg)

People

Population2,680
Density10/mi²

Climate

Avg Temp45°F (7°C)
Rain44.1 in/yr
Elevation1,010 ft (308 m)
Seaforth has a cool climate with an average annual temperature of 45°F (7°C). Winters average 20°F in January while summers reach 68°F in July. Annual precipitation totals 44.1 inches. The area receives 14.8 inches of snow annually. The city sits at an elevation of 1,010 feet.

Temperature

20°F Jan (-7°C) 68°F Jul (20°C)
Annual Average44.6°F
17% below US avg
January Average20°F (-7°C)
July Average68°F (20°C)

Geography

Elevation1,010 ft (308 m)
Area258.4 sq mi (669.2 km²)
Population Density10/sq mi
Coordinates43.5501°N, 81.3998°W
TimezoneAmerica/Toronto

Precipitation & Snow

Annual Rainfall 44.1"
16% above US avg
Snowfall 14.8"
Wettest Month (Dec) 4.65"
Driest Month (Mar) 2.91"

Air Quality

Earthquake History

1 earthquake (M2.5+) within 150 km since 1990. Strongest: M2.5. Most recent: M2.5 on May 23, 2022.

May 23, 2022 2 km NNW of Corunna, Canada M2.5 111 km
Source: USGS (M2.5+, 1990-2025)

Tsunami History

2 tsunamis recorded within 500 km. Highest wave on record: 2.7 m (9 ft).

Year Location Cause Max Wave Deaths Distance
1823 LAKE ERIE Unknown 2.7 m - 144 km
1952 LAKE HURON, MI Avalanche 1.5 m - 95 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 20°F (-7°C) 4.1 in Coldest
February 20°F (-6°C) 3.2 in
March 29°F (-2°C) 2.9 in Driest
April 42°F (5°C) 3.1 in
May 54°F (12°C) 3.5 in
June 63°F (17°C) 2.9 in
July 68°F (20°C) 3.2 in Warmest
August 67°F (19°C) 3.8 in
September 60°F (16°C) 4.6 in
October 49°F (9°C) 3.9 in
November 37°F (3°C) 4.5 in
December 27°F (-3°C) 4.7 in Wettest

Seaforth has a seasonal temperature swing of 49°F / from 20°F in January to 68°F in July. Total annual precipitation is 44.1 inches, with December being the wettest month (4.7") and March the driest (2.9").

View full weather details →

Schools in Seaforth

3 public schools (OpenStreetMap data).

School Level Enrollment Teachers Student/Teacher
St. James Separate School - - - -
Seaforth Public School - - - -
St. Columban Separate School - - - -
View full schools details →

Radio Stations near Seaforth

9 stations within ~55 km.

Station Genre Quality
Blown 60's, 70's MP3 192 kbps
Crucial Velocity Radio classic metal, hard rock MP3 192 kbps
CKNX-AM 920 Wingham, ON commercial, country AAC+ 48 kbps
CHGK-FM 107.7 "2 Day FM" Stratford, ON hot adult contemporary AAC+ 57 kbps
CHWC-FM "Country 104.9" Goderich, ON (AAC Stream) country, new format rebranding AAC 63 kbps
CHWC-FM "Country 104.9" Goderich, ON (MP3 Stream) country, new format rebranding MP3 128 kbps
CIBU-FM "Cool 94.5" Wingham, ON (MP3 Stream) classic hits, new format rebranding MP3 96 kbps
CIBU-FM "Cool 94.5" Wingham, ON (AAC Stream) classic hits, new format rebranding AAC+ 48 kbps
CKNX-FM 101.7 "The One" Wingham, ON commercial, hot adult contemporary AAC+ 48 kbps

Museums in Seaforth

NameTypeAddressPhoneAnnual Revenue
Van Egmond House-Museum

Libraries in Seaforth

NameAddressStaffAnnual VisitsCirculationCollectionPrograms
Huron County Library - Blyth Branch0.0
Huron County Library - Brussels Branch0.0
Huron County Library - Clinton Branch0.0
Huron County Library - Exeter Branch0.0
Huron County Library - Hensall Branch0.0
Huron County Library - Kirkton Branch0.0
Huron County Library - Seaforth Branch0.0
Huron County Library - Zurich Branch0.0
West Perth Public Library0.0

Cafes in Seaforth

1 cafes within city radius - OpenStreetMap data

Tim Hortons

Clinics in Seaforth

1 clinics within city radius - OpenStreetMap data

Gateway Rural Health Research

Dentists in Seaforth

1 dentists within city radius - OpenStreetMap data

Tulips Dental Centre

Veterinaries in Seaforth

2 veterinaries within city radius - OpenStreetMap data

Maitland Mobile Veterinary Services
Seaforth Animal Hospital

Gas Stations in Seaforth

2 gas stations within city radius - OpenStreetMap data

Shell
UPI Energy

Banks in Seaforth

3 banks within city radius - OpenStreetMap data

CIBC
Meridian Credit Union
TD Canada Trust

Gyms in Seaforth

1 gyms within city radius - OpenStreetMap data

Degree Fitness Seaforth

Golf Courses in Seaforth

1 golf courses within city radius - OpenStreetMap data

Seaforth Golf and Country Club

Breweries in Seaforth

NameTypeAddressPhoneWebsite
Cowbell

Airports Near Seaforth

48 airports within the area.

AirportIATAType
Centralia / James T. Field Memorial AerodromeYCEMedium Airport
Goderich Airport-Medium Airport
Kincardine Municipal AirportYKDMedium Airport
London International AirportYXUMedium Airport
Atwood / Coghlin Airport-Small Airport
Brussels (Armstrong Field) Airport-Small Airport
Brussels / Hemingway Field-Small Airport
Centralia (Essery Field) Airport-Small Airport
Chapeskie Field Airport-Small Airport
Cherry Hill Field-Small Airport
Dungannon Aerodrome-Small Airport
Ethel Airport-Small Airport
Fordwich Airport-Small Airport
Grand Bend Airport-Small Airport
Hanover / Saugeen Municipal Airport-Small Airport
Harkes Field-Small Airport
Harydale Farms Airport-Small Airport
Innerkip Airport-Small Airport
Listowel Airport-Small Airport
London (Pioneer Airpark)-Small Airport
London Soaring Society-Small Airport
Lucan Airport-Small Airport
Melbourne Airport-Small Airport
Mount Forest Roths' Field-Small Airport
Nenagh Field-Small Airport
Northville Airport-Small Airport
Palmerston Airport-Small Airport
Papple Aviation Airport-Small Airport
Paterson Field-Small Airport
Rand Private Airfield-Small Airport
Reeces Corners Airport-Small Airport
Robinson International Air Field-Small Airport
Roth Field-Small Airport
Sexsmith (Exeter) Airport-Small Airport
Shepherd's Landing Airport-Small Airport
Stratford Municipal Airport-Small Airport
Strathroy (Blue Yonder) Airport-Small Airport
Teeswater (Dent Field) Aerodrome-Small Airport
Teeswater (Thompson Field) Airport-Small Airport
Tillsonburg Airport-Small Airport
Triple Nickel Airport-Small Airport
Warren Field-Small Airport
Willow Lake Airstrip-Small Airport
Wingham (Inglis Field) Airport-Small Airport
Wingham / Richard W. LeVan Airport-Small Airport
Woodstock Airport-Small Airport
Woodstock Private Airstrip-Small Airport
Yellow Gold Airport-Small Airport

Post Offices in Seaforth

1 post offices.

Post OfficeAddress
Canada Post - Seaforth

Churches & Religious Organizations in Seaforth

2 religious organizations (IRS tax-exempt data).

NameAddress
Bethel Bible Church
Saint James Catholic Church

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Frequently Asked Questions About Seaforth

What is the population of Seaforth?

Seaforth has a population of 2,680 residents and is located in Ontario. The population density is 10 people per square mile, spread across 258.4 square miles.

What is the weather like in Seaforth?

Seaforth has a cool climate with an average annual temperature of 45°F (7°C). Winter temperatures average 20°F in January, while summers reach an average of 68°F in July. Annual rainfall totals 44.1 inches, with 14.8 inches of snow.

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